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Hybrid Bayesian networks (HBN) contain complex conditional probabilistic distributions (CPD) specified as partitioned expressions over discrete and continuous variables. The size of these CPDs grows exponentially with the number of parent…

人工智能 · 计算机科学 2024-02-26 Peng Lin , Martin Neil , Norman Fenton

The backup control barrier function (CBF) was recently proposed as a tractable formulation that guarantees the feasibility of the CBF quadratic programming (QP) via an implicitly defined control invariant set. The control invariant set is…

系统与控制 · 电气工程与系统科学 2021-04-26 Yuxiao Chen , Mrdjan Jankovic , Mario Santillo , Aaron D. Ames

Crowd counting has important applications in public safety and pandemic control. A robust and practical crowd counting system has to be capable of continuously learning with the new incoming domain data in real-world scenarios instead of…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Jiaqi Gao , Jingqi Li , Hongming Shan , Yanyun Qu , James Z. Wang , Fei-Yue Wang , Junping Zhang

The Feature Selection Library (FSLib) introduces a comprehensive suite of feature selection (FS) algorithms for MATLAB, aimed at improving machine learning and data mining tasks. FSLib encompasses filter, embedded, and wrapper methods to…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Giorgio Roffo

For extreme low-bit quantization of large language models (LLMs), Double Binary Factorization (DBF) is attractive as it enables efficient inference without sacrificing accuracy. However, the scaling parameters of DBF are too restrictive;…

机器学习 · 计算机科学 2026-01-01 Yuma Ichikawa , Yoshihiko Fujisawa , Yudai Fujimoto , Akira Sakai , Katsuki Fujisawa

Conditional Flow Matching (CFM), a simulation-free method for training continuous normalizing flows, provides an efficient alternative to diffusion models for key tasks like image and video generation. The performance of CFM in solving…

机器学习 · 计算机科学 2026-03-17 Aram Davtyan , Leello Tadesse Dadi , Volkan Cevher , Paolo Favaro

We present COBS, a COmpact Bit-sliced Signature index, which is a cross-over between an inverted index and Bloom filters. Our target application is to index $k$-mers of DNA samples or $q$-grams from text documents and process approximate…

数据库 · 计算机科学 2019-07-29 Timo Bingmann , Phelim Bradley , Florian Gauger , Zamin Iqbal

A number of engineering and scientific problems require representing and manipulating probability distributions over large alphabets, which we may think of as long vectors of reals summing to $1$. In some cases it is required to represent…

信息论 · 计算机科学 2023-10-27 Aviv Adler , Jennifer Tang , Yury Polyanskiy

Safety-critical autonomy in unstructured environments poses significant challenges for online safety certification under evolving constraints. We propose Policy Library Control Barrier Function~(PL-CBF), a runtime safety filter that…

机器人学 · 计算机科学 2026-05-19 Taekyung Kim , Hideki Okamoto , Bardh Hoxha , Georgios Fainekos , Dimitra Panagou

Cumulative probability models (CPMs) are a robust alternative to linear models for continuous outcomes. However, they are not feasible for very large datasets due to elevated running time and memory usage, which depend on the sample size,…

统计计算 · 统计学 2022-07-15 Chun Li , Guo Chen , Bryan E. Shepherd

Control barrier functions (CBFs) are widely used in safety-critical controllers. However, constructing a valid CBF is challenging, especially under nonlinear or non-convex constraints and for high relative degree systems. Meanwhile, finding…

系统与控制 · 电气工程与系统科学 2022-10-12 Bolun Dai , Prashanth Krishnamurthy , Farshad Khorrami

In this paper, we propose an effective feature extraction algorithm, called Multi-Subregion based Correlation Filter Bank (MS-CFB), for robust face recognition. MS-CFB combines the benefits of global-based and local-based feature extraction…

计算机视觉与模式识别 · 计算机科学 2016-03-25 Yan Yan , Hanzi Wang , David Suter

Among all the physical platforms for the realization of a Quantum Processing Unit (QPU), neutral atom devices are emerging as one of the main players. Their scalability, long coherence times, and the absence of manufacturing errors make…

量子物理 · 物理学 2024-09-19 Ettore Canonici , Filippo Caruso

Control Invariant (CI) sets are instrumental in certifying the safety of dynamical systems. Control Barrier Functions (CBFs) are effective tools to compute such sets, since the zero sublevel sets of CBFs are CI sets. However, computing CBFs…

系统与控制 · 电气工程与系统科学 2025-09-05 Sampath Kumar Mulagaleti , Andrea Del Prete

Optimization-based safety filters, such as control barrier function (CBF) based quadratic programs (QPs), have demonstrated success in controlling autonomous systems to achieve complex goals. These CBF-QPs can be shown to be continuous, but…

系统与控制 · 电气工程与系统科学 2023-09-25 Max H. Cohen , Pio Ong , Gilbert Bahati , Aaron D. Ames

Imagine handling collisions in a hash table by storing, in each cell, the bit-wise exclusive-or of the set of keys hashing there. This appears to be a terrible idea: For $\alpha n$ keys and $n$ buckets, where $\alpha$ is constant, we expect…

数据结构与算法 · 计算机科学 2022-11-08 Jakob Bæk Tejs Houen , Rasmus Pagh , Stefan Walzer

Bloom filters, cuckoo filters, and other approximate set membership sketches have a wide range of applications. Oftentimes, expensive operations can be skipped if an item is not in a data set. These filters provide an inexpensive, memory…

数据结构与算法 · 计算机科学 2020-05-07 Daniel Ting , Rick Cole

Control barrier functions (CBF) have become popular as a safety filter to guarantee the safety of nonlinear dynamical systems for arbitrary inputs. However, it is difficult to construct functions that satisfy the CBF constraints for high…

最优化与控制 · 数学 2023-12-06 Oswin So , Zachary Serlin , Makai Mann , Jake Gonzales , Kwesi Rutledge , Nicholas Roy , Chuchu Fan

We show that there is a randomized algorithm that, when given a small constant-depth Boolean circuit $C$ made up of gates that compute constant-degree Polynomial Threshold functions or PTFs (i.e., Boolean functions that compute signs of…

计算复杂性 · 计算机科学 2018-09-18 Swapnam Bajpai , Vaibhav Krishan , Deepanshu Kush , Nutan Limaye , Srikanth Srinivasan

By using a new way to encode Boolean functions in a reversible gate, an algorithm is developed in quantum computing over Z_2, symbolized QC/2, (as opposed to QC over C) that needs only one function evaluation to solve the Grover Database…

量子物理 · 物理学 2024-09-09 David Ellerman